<!DOCTYPE html> <html lang="en"> <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.1/socket.io.js" integrity="sha512-q/dWJ3kcmjBLU4Qc47E4A9kTB4m3wuTY7vkFJDTZKjTs8jhyGQnaUrxa0Ytd0ssMZhbNua9hE+E7Qv1j+DyZwA==" crossorigin="anonymous"></script> <script type="text/javascript" charset="utf-8"> var socket = io(); var user = {{ user }} socket.on('connect', function() { socket.emit('removetag', {data: user}); }); socket.on("busy", function(){ document.write('<p>the nfc reader is busy at the moment. Pleas Wait ...</p>') socket.emit('addtag', {data: user}) }); socket.on("wait", function(){ document.write('<p>Pleas hold your tag on to the nfc reader</p>') }); socket.on("error", function(data) { alert(data) window.location="http://matekasse.server.c3h/" }); socket.on("finished", function(data){ alert(data) window.location="http://matekasse.server.c3h/" }); </script> </html>